Weerasinghe is a surname. Notable people with the surname include:
Anoja Weerasinghe (born 1955), Sri Lankan actress Asoka Weerasinghe, Canadian government official Bertram Weerasinghe (1904–1971), Ceylonese engineer and firefighter Chalanaka Weerasinghe (born 1994), Sri Lankan cricketer D. Weerasingha (born 1979), Sri Lankan politician Dhansiri Weerasinghe (died 2020), Sri Lankan cricketer Jagath Weerasinghe (born 1954), Sri Lankan contemporary artist and archeologist Jayantha Weerasinghe (born 1950), Sri Lankan politician L. A. Weerasinghe, Sri Lankan auditor general Oliver Weerasinghe (1907–1980), Sri Lankan architect and diplomat Rajeewa Weerasinghe (born 1987), Sri Lankan cricketer Rohana Weerasinghe (born 1949), Sri Lankan musician, composer and singer Saman Weerasinghe (born 1961), Sri Lankan physician, diplomat and businessman Sanjeewa Weerasinghe (born 1968), Sri Lankan cricketer Sehan Weerasinghe (born 1995), Sri Lankan cricketer Suraj Weerasinghe (born 1996), Sri Lankan cricketer Weerasumana Weerasinghe (born 1975), Sri Lankan politician